KR100579526B1 - 샘플링주파수 오프셋 보상방법 및 이를 적용한 ofdm 수신장치 - Google Patents

샘플링주파수 오프셋 보상방법 및 이를 적용한 ofdm 수신장치 Download PDF

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KR100579526B1
KR100579526B1 KR1020050013534A KR20050013534A KR100579526B1 KR 100579526 B1 KR100579526 B1 KR 100579526B1 KR 1020050013534 A KR1020050013534 A KR 1020050013534A KR 20050013534 A KR20050013534 A KR 20050013534A KR 100579526 B1 KR100579526 B1 KR 100579526B1
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KR
South Korea
Prior art keywords
length
offset
channel
section
estimating
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KR1020050013534A
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English (en)
Korean (ko)
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노시창
김광철
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삼성전자주식회사
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Priority to KR1020050013534A priority Critical patent/KR100579526B1/ko
Priority to DE602006013531T priority patent/DE602006013531D1/de
Priority to EP06003263A priority patent/EP1694018B1/de
Priority to US11/357,173 priority patent/US7684359B2/en
Application granted granted Critical
Publication of KR100579526B1 publication Critical patent/KR100579526B1/ko

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2662Symbol synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023Interference mitigation or co-ordination
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
KR1020050013534A 2005-02-18 2005-02-18 샘플링주파수 오프셋 보상방법 및 이를 적용한 ofdm 수신장치 KR100579526B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020050013534A KR100579526B1 (ko) 2005-02-18 2005-02-18 샘플링주파수 오프셋 보상방법 및 이를 적용한 ofdm 수신장치
DE602006013531T DE602006013531D1 (de) 2005-02-18 2006-02-17 Verfahren zur Kompensation der Abtastfrequenzverschiebung und entsprehende OFDM Empfangseinrichtung
EP06003263A EP1694018B1 (de) 2005-02-18 2006-02-17 Verfahren zur Kompensation der Abtastfrequenzverschiebung und entsprehende OFDM Empfangseinrichtung
US11/357,173 US7684359B2 (en) 2005-02-18 2006-02-21 Method for compensating sampling frequency offset in OFDM communication system and OFDM signal receiving apparatus for compensating sampling frequency offset

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050013534A KR100579526B1 (ko) 2005-02-18 2005-02-18 샘플링주파수 오프셋 보상방법 및 이를 적용한 ofdm 수신장치

Publications (1)

Publication Number Publication Date
KR100579526B1 true KR100579526B1 (ko) 2006-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050013534A KR100579526B1 (ko) 2005-02-18 2005-02-18 샘플링주파수 오프셋 보상방법 및 이를 적용한 ofdm 수신장치

Country Status (4)

Country Link
US (1) US7684359B2 (de)
EP (1) EP1694018B1 (de)
KR (1) KR100579526B1 (de)
DE (1) DE602006013531D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101148843B1 (ko) 2009-06-25 2012-07-09 (주)에프씨아이 오에프디엠 수신기에 적용되는 최대 채널 딜레이를 추정하는 방법 및 시피에버리징 방법
KR101466632B1 (ko) * 2012-12-03 2014-11-28 피앤피네트워크 주식회사 보호 구간을 이용한 성능 개선 기능을 구비한 ofdm 수신기 및 그 성능 개선 방법
KR101637940B1 (ko) * 2015-02-25 2016-07-11 (주)에프씨아이 Ofdm 심볼을 동기화하는 방법

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006324785A (ja) * 2005-05-17 2006-11-30 Advantest Corp フィルタ係数生成装置、フィルタ、マルチパスシミュレータおよびフィルタ係数生成方法、プログラムおよび記録媒体
KR101223783B1 (ko) * 2006-03-06 2013-01-17 삼성전자주식회사 무선 통신 시스템에서 심벌 타이밍 오프셋 추정 장치 및방법
US8396151B2 (en) * 2006-10-19 2013-03-12 Qualcomm Incorporated Timing tracking in a multiple receive antenna system
US8345783B1 (en) * 2007-04-06 2013-01-01 Olympus Corporation Phase tracking system and method
US20100202546A1 (en) * 2007-06-19 2010-08-12 National Ict Australia Limited Carrier frequency offset estimation for multicarrier communication systems
US20100283918A1 (en) * 2007-12-27 2010-11-11 Benyuan Zhang Apparatus and method for estimating carrier frequency error
US8085860B2 (en) * 2008-04-29 2011-12-27 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Systems and methods for sampling frequency offset estimation
KR101541026B1 (ko) * 2008-04-30 2015-07-31 삼성전자주식회사 Ofdm 수신기
KR101455273B1 (ko) * 2008-07-01 2014-10-27 삼성전자주식회사 이동통신 시스템의 채널 추정 장치 및 방법
CN102014097B (zh) * 2009-09-04 2014-04-09 中兴通讯股份有限公司 一种接收终端、以及快速频偏估计的装置和方法
US10925016B2 (en) * 2016-10-07 2021-02-16 Samsung Electronics Co., Ltd. Apparatus and method for time synchronization in wireless communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2327785C (en) * 1998-04-14 2003-08-12 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method and apparatus for fine frequency synchronization in multi-carrier demodulation systems
GB2369016B (en) * 2000-11-09 2004-06-09 Sony Uk Ltd Receiver
EP1249955B1 (de) * 2000-11-17 2011-01-26 Panasonic Corporation Ofdm nachrichtenübertragungsvorrichtung
US7027429B2 (en) * 2001-06-19 2006-04-11 Flarion Technologies, Inc. Method and apparatus for time and frequency synchronization of OFDM communication systems
US7312753B2 (en) * 2003-10-29 2007-12-25 Nec Corporation Mobile terminal positioning system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101148843B1 (ko) 2009-06-25 2012-07-09 (주)에프씨아이 오에프디엠 수신기에 적용되는 최대 채널 딜레이를 추정하는 방법 및 시피에버리징 방법
KR101466632B1 (ko) * 2012-12-03 2014-11-28 피앤피네트워크 주식회사 보호 구간을 이용한 성능 개선 기능을 구비한 ofdm 수신기 및 그 성능 개선 방법
KR101637940B1 (ko) * 2015-02-25 2016-07-11 (주)에프씨아이 Ofdm 심볼을 동기화하는 방법

Also Published As

Publication number Publication date
US20060187816A1 (en) 2006-08-24
EP1694018A1 (de) 2006-08-23
US7684359B2 (en) 2010-03-23
EP1694018B1 (de) 2010-04-14
DE602006013531D1 (de) 2010-05-27

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